1670718923 has 2 divisors, whose sum is σ = 1670718924. Its totient is φ = 1670718922.

The previous prime is 1670718883. The next prime is 1670718961. The reversal of 1670718923 is 3298170761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1670718923 - 2⁸ = 1670718667 is a prime.

It is not a weakly prime, because it can be changed into another prime (1670714923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835359461 + 835359462.

It is an arithmetic number, because the mean of its divisors is an integer number (835359462).

Almost surely, 2^1670718923 is an apocalyptic number.

1670718923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670718923 is an equidigital number, since it uses as much as digits as its factorization.

1670718923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 1670718923 is about 40874.4287177203. The cubic root of 1670718923 is about 1186.5912200153.

The spelling of 1670718923 in words is "one billion, six hundred seventy million, seven hundred eighteen thousand, nine hundred twenty-three".